/*======================================================
************   Searchbar   ************
======================================================*/
var Searchbar = function (container, params) {
    var defaults = {
        input: null,
        clearButton: null,
        cancelButton: null,
        searchList: null,
        searchIn: '.item-title',
        searchBy: '',
        found: null,
        notFound: null,
        overlay: null,
        ignore: '.searchbar-ignore',
        customSearch: false,
        removeDiacritics: false,
        hideDividers: true,
        hideGroups: true,
        /* Callbacks
        onSearch
        onEnable
        onDisable
        onClear
        */

    };
    params = params || {};
    for (var def in defaults) {
        if (typeof params[def] === 'undefined' || params[def] === null) {
            params[def] = defaults[def];
        }
    }
    
    // Instance
    var s = this;

    // Material
    s.material = app.params.material;

    // Params
    s.params = params;

    // Container
    container = $(container);
    s.container = container;

    // Active
    s.active = false;

    // Input
    s.input = s.params.input ? $(s.params.input) : s.container.find('input[type="search"]');
    s.clearButton = s.params.clearButton ? $(s.params.clearButton) : s.container.find('.searchbar-clear');
    s.cancelButton = s.params.cancelButton ? $(s.params.cancelButton) : s.container.find('.searchbar-cancel');

    // Search List
    s.searchList = $(s.params.searchList);

    // Is Virtual List
    s.isVirtualList = s.searchList.hasClass('virtual-list');

    // Is In Page
    s.pageContainer = s.container.parents('.page').eq(0);

    // Overlay
    if (!s.params.overlay) {
        s.overlay = s.pageContainer.length > 0 ? s.pageContainer.find('.searchbar-overlay') : $('.searchbar-overlay');
    }
    else {
        s.overlay = $(s.params.overlay);
    }
    // Found and not found
    if (!s.params.found) {
        s.found = s.pageContainer.length > 0 ? s.pageContainer.find('.searchbar-found') : $('.searchbar-found');
    }
    else {
        s.found = $(s.params.found);
    }
    if (!s.params.notFound) {
        s.notFound = s.pageContainer.length > 0 ? s.pageContainer.find('.searchbar-not-found') : $('.searchbar-not-found');
    }
    else {
        s.notFound = $(s.params.notFound);
    }

    // Cancel button
    var cancelMarginProp = app.rtl ? 'margin-left' : 'margin-right';
    if (s.cancelButton.length > 0 && !s.material) {
        s.cancelButton.transition(0).show();
        s.cancelButton.css(cancelMarginProp, -s.cancelButton[0].offsetWidth + 'px');
        setTimeout(function () {
            s.cancelButton.transition('');    
        }, 0);
    }

    // Diacritics
    var defaultDiacriticsRemovalap = [
        {base:'A', letters:'\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F'},
        {base:'AA',letters:'\uA732'},
        {base:'AE',letters:'\u00C6\u01FC\u01E2'},
        {base:'AO',letters:'\uA734'},
        {base:'AU',letters:'\uA736'},
        {base:'AV',letters:'\uA738\uA73A'},
        {base:'AY',letters:'\uA73C'},
        {base:'B', letters:'\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181'},
        {base:'C', letters:'\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E'},
        {base:'D', letters:'\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779'},
        {base:'DZ',letters:'\u01F1\u01C4'},
        {base:'Dz',letters:'\u01F2\u01C5'},
        {base:'E', letters:'\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E'},
        {base:'F', letters:'\u0046\u24BB\uFF26\u1E1E\u0191\uA77B'},
        {base:'G', letters:'\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E'},
        {base:'H', letters:'\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D'},
        {base:'I', letters:'\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197'},
        {base:'J', letters:'\u004A\u24BF\uFF2A\u0134\u0248'},
        {base:'K', letters:'\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2'},
        {base:'L', letters:'\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780'},
        {base:'LJ',letters:'\u01C7'},
        {base:'Lj',letters:'\u01C8'},
        {base:'M', letters:'\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C'},
        {base:'N', letters:'\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4'},
        {base:'NJ',letters:'\u01CA'},
        {base:'Nj',letters:'\u01CB'},
        {base:'O', letters:'\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C'},
        {base:'OI',letters:'\u01A2'},
        {base:'OO',letters:'\uA74E'},
        {base:'OU',letters:'\u0222'},
        {base:'OE',letters:'\u008C\u0152'},
        {base:'oe',letters:'\u009C\u0153'},
        {base:'P', letters:'\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754'},
        {base:'Q', letters:'\u0051\u24C6\uFF31\uA756\uA758\u024A'},
        {base:'R', letters:'\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782'},
        {base:'S', letters:'\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784'},
        {base:'T', letters:'\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786'},
        {base:'TZ',letters:'\uA728'},
        {base:'U', letters:'\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244'},
        {base:'V', letters:'\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245'},
        {base:'VY',letters:'\uA760'},
        {base:'W', letters:'\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72'},
        {base:'X', letters:'\u0058\u24CD\uFF38\u1E8A\u1E8C'},
        {base:'Y', letters:'\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE'},
        {base:'Z', letters:'\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762'},
        {base:'a', letters:'\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250'},
        {base:'aa',letters:'\uA733'},
        {base:'ae',letters:'\u00E6\u01FD\u01E3'},
        {base:'ao',letters:'\uA735'},
        {base:'au',letters:'\uA737'},
        {base:'av',letters:'\uA739\uA73B'},
        {base:'ay',letters:'\uA73D'},
        {base:'b', letters:'\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253'},
        {base:'c', letters:'\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184'},
        {base:'d', letters:'\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A'},
        {base:'dz',letters:'\u01F3\u01C6'},
        {base:'e', letters:'\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD'},
        {base:'f', letters:'\u0066\u24D5\uFF46\u1E1F\u0192\uA77C'},
        {base:'g', letters:'\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F'},
        {base:'h', letters:'\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265'},
        {base:'hv',letters:'\u0195'},
        {base:'i', letters:'\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131'},
        {base:'j', letters:'\u006A\u24D9\uFF4A\u0135\u01F0\u0249'},
        {base:'k', letters:'\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3'},
        {base:'l', letters:'\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747'},
        {base:'lj',letters:'\u01C9'},
        {base:'m', letters:'\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F'},
        {base:'n', letters:'\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5'},
        {base:'nj',letters:'\u01CC'},
        {base:'o', letters:'\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275'},
        {base:'oi',letters:'\u01A3'},
        {base:'ou',letters:'\u0223'},
        {base:'oo',letters:'\uA74F'},
        {base:'p',letters:'\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755'},
        {base:'q',letters:'\u0071\u24E0\uFF51\u024B\uA757\uA759'},
        {base:'r',letters:'\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783'},
        {base:'s',letters:'\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B'},
        {base:'t',letters:'\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787'},
        {base:'tz',letters:'\uA729'},
        {base:'u',letters: '\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289'},
        {base:'v',letters:'\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C'},
        {base:'vy',letters:'\uA761'},
        {base:'w',letters:'\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73'},
        {base:'x',letters:'\u0078\u24E7\uFF58\u1E8B\u1E8D'},
        {base:'y',letters:'\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF'},
        {base:'z',letters:'\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763'}
    ];

    var diacriticsMap = {};
    for (var i=0; i < defaultDiacriticsRemovalap.length; i++){
        var letters = defaultDiacriticsRemovalap[i].letters;
        for (var j=0; j < letters.length ; j++){
            diacriticsMap[letters[j]] = defaultDiacriticsRemovalap[i].base;
        }
    }

    function removeDiacritics (str) {
        return str.replace(/[^\u0000-\u007E]/g, function(a){ 
           return diacriticsMap[a] || a; 
        });
    }

    // Trigger
    s.triggerEvent = function (eventName, callbackName, eventData) {
        s.container.trigger(eventName, eventData);
        if (s.searchList.length > 0) s.searchList.trigger(eventName, eventData);
        if (callbackName && s.params[callbackName]) s.params[callbackName](s, eventData);
    };

    // Enable/disalbe
    s.enable = function () {
        function _enable() {
            if ((s.searchList.length || s.params.customSearch) && !s.container.hasClass('searchbar-active')) s.overlay.addClass('searchbar-overlay-active');
            s.container.addClass('searchbar-active');
            if (s.cancelButton.length > 0 && !s.material) s.cancelButton.css(cancelMarginProp, '0px');
            s.triggerEvent('enableSearch', 'onEnable');
            s.active = true;
        }
        if (app.device.ios) {
            setTimeout(function () {
                _enable();
            }, 400);
        }
        else {
            _enable();
        }
    };

    s.disable = function () {
        s.input.val('').trigger('change');
        s.container.removeClass('searchbar-active searchbar-not-empty');
        if (s.cancelButton.length > 0 && !s.material) s.cancelButton.css(cancelMarginProp, -s.cancelButton[0].offsetWidth + 'px');
        
        if (s.searchList.length || s.params.customSearch) s.overlay.removeClass('searchbar-overlay-active');
        function _disable() {
            s.input.blur();
            s.triggerEvent('disableSearch', 'onDisable');
            s.active = false;
        }
        if (app.device.ios) {
            setTimeout(function () {
                _disable();
            }, 400);
        }
        else {
            _disable();
        }
    };

    // Clear
    s.clear = function (e) {
        if (!s.query && e && $(e.target).hasClass('searchbar-clear')) {
            s.disable();
            return;
        }
        s.input.val('').trigger('change').focus();
        s.triggerEvent('clearSearch', 'onClear');
    };

    // Search
    s.handleInput = function () {
        setTimeout(function () {
            var value = s.input.val().trim();
            if ((s.searchList.length > 0 || s.params.customSearch) && (s.params.searchIn || s.isVirtualList)) s.search(value, true);
        }, 0);
    };

    var previousQuery = '';
    var virtualList;
    s.search = function (query, internal) {
        if (query.trim() === previousQuery) return;
        previousQuery = query.trim();

        if (!internal) {
            if (!s.active) {
                s.enable();
            }
            if (!internal) {
                s.input.val(query);
            }
        }
        s.query = s.value = query;
        // Add active/inactive classes on overlay
        if (query.length === 0) {
            s.container.removeClass('searchbar-not-empty');
            if (s.searchList.length && s.container.hasClass('searchbar-active')) s.overlay.addClass('searchbar-overlay-active');
        }
        else {
            s.container.addClass('searchbar-not-empty');
            if (s.searchList.length && s.container.hasClass('searchbar-active')) s.overlay.removeClass('searchbar-overlay-active');
        }

        if (s.params.customSearch) {
            s.triggerEvent('search', 'onSearch', {query: query});
            return;
        }
        
        var foundItems = [];
        if (s.isVirtualList) {
            virtualList = s.searchList[0].f7VirtualList;
            if (query.trim() === '') {
                virtualList.resetFilter();
                s.notFound.hide();
                s.found.show();
                return;
            }
            if (virtualList.params.searchAll) {
                foundItems = virtualList.params.searchAll(query, virtualList.items) || [];
            }
            else if (virtualList.params.searchByItem) {
                for (var i = 0; i < virtualList.items.length; i++) {
                    if(virtualList.params.searchByItem(query, i, virtualList.params.items[i])) {
                        foundItems.push(i);
                    }
                }
            }
        }
        else {
            var values;
            if (s.params.removeDiacritics) values = removeDiacritics(query.trim().toLowerCase()).split(' ');
            else {
                values = query.trim().toLowerCase().split(' ');
            }
            s.searchList.find('li').removeClass('hidden-by-searchbar').each(function (index, el) {
                el = $(el);
                var compareWithText = [];
                el.find(s.params.searchIn).each(function () {
                    var itemText = $(this).text().trim().toLowerCase();
                    if (s.params.removeDiacritics) itemText = removeDiacritics(itemText);
                    compareWithText.push(itemText);
                });
                compareWithText = compareWithText.join(' ');
                var wordsMatch = 0;
                for (var i = 0; i < values.length; i++) {
                    if (compareWithText.indexOf(values[i]) >= 0) wordsMatch++;
                }
                if (wordsMatch !== values.length && !(s.params.ignore && el.is(s.params.ignore))) {
                    el.addClass('hidden-by-searchbar');
                }
                else {
                    foundItems.push(el[0]);
                }
            });

            if (s.params.hideDividers) {
                s.searchList.find('.item-divider, .list-group-title').each(function () {
                    var title = $(this);
                    var nextElements = title.nextAll('li');
                    var hide = true;
                    for (var i = 0; i < nextElements.length; i++) {
                        var nextEl = $(nextElements[i]);
                        if (nextEl.hasClass('list-group-title') || nextEl.hasClass('item-divider')) break;
                        if (!nextEl.hasClass('hidden-by-searchbar')) {
                            hide = false;
                        }
                    }
                    var ignore = s.params.ignore && title.is(s.params.ignore);
                    if (hide && !ignore) title.addClass('hidden-by-searchbar');
                    else title.removeClass('hidden-by-searchbar');
                });
            }
            if (s.params.hideGroups) {
                s.searchList.find('.list-group').each(function () {
                    var group = $(this);
                    var ignore = s.params.ignore && group.is(s.params.ignore);
                    var notHidden = group.find('li:not(.hidden-by-searchbar)');
                    if (notHidden.length === 0 && !ignore) {
                        group.addClass('hidden-by-searchbar');
                    }
                    else {
                        group.removeClass('hidden-by-searchbar');
                    }
                });
            }
        }
        s.triggerEvent('search', 'onSearch', {query: query, foundItems: foundItems});
        if (foundItems.length === 0) {
            s.notFound.show();
            s.found.hide();
        }
        else {
            s.notFound.hide();
            s.found.show();
        }
        if (s.isVirtualList) {
            virtualList.filterItems(foundItems);
        }
    };

    // Events
    function preventSubmit(e) {
        e.preventDefault();
    }

    s.attachEvents = function (destroy) {
        var method = destroy ? 'off' : 'on';
        s.container[method]('submit', preventSubmit);
        if (!s.material) s.cancelButton[method]('click', s.disable);
        s.overlay[method]('click', s.disable);
        s.input[method]('focus', s.enable);
        s.input[method]('change keydown keypress keyup', s.handleInput);
        s.clearButton[method]('click', s.clear);
    };
    s.detachEvents = function() {
        s.attachEvents(true);
    };

    // Init Destroy
    s.init = function () {
        s.attachEvents();
    };
    s.destroy = function () {
        if (!s) return;
        s.detachEvents();
        s = null;
    };

    // Init
    s.init();

    s.container[0].f7Searchbar = s;
    return s;

};
app.searchbar = function (container, params) {
    return new Searchbar(container, params);
};
app.initSearchbar = function (container) {
    container = $(container);
    var searchbar = container.hasClass('searchbar') ? container : container.find('.searchbar');
    if (searchbar.length === 0) return;
    if (!searchbar.hasClass('searchbar-init')) return;

    var sb = app.searchbar(searchbar, searchbar.dataset());

    function onBeforeRemove() {
        if (sb) sb.destroy();
    }
    if (container.hasClass('page')) {
        container.once('pageBeforeRemove', onBeforeRemove);   
    }
    else if (container.hasClass('navbar-inner')) {
        container.once('navbarBeforeRemove', onBeforeRemove);
    }
};